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Business Calculators

13th Month Pay Calculator

Verified formula Updated Jun 2026 Private — runs on your device

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Verified formula Private

13th month pay

₹50,000

For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.

How to use the 13th Month Pay Calculator

The 13th Month Pay Calculator works out your 13th month pay in an instant. Enter monthly basic salary and months worked in the year and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.

  1. Enter the monthly basic salary.
  2. Enter the months worked in the year.
  3. Read off your 13th month pay — the calculator updates automatically, with no button to press.

Formula

The 13th Month Pay Calculator uses the formula:

13th month pay = Monthly basic salary × Months worked in the year ÷ 12

Worked example

For example, with monthly basic salary of ₹50,000 and months worked in the year of 12, the 13th month pay is ₹50,000.

Inputs used
Monthly basic salary ₹50,000
Months worked in the year 12
Results
13th month pay ₹50,000

Results are estimates for educational use, not professional advice.

Frequently asked questions

Multiply the monthly basic salary by months worked and divide by 12. A full year on 50,000 gives 50,000; half a year gives 25,000.

It is an extra month's pay given annually in many countries, prorated for employees who did not work the full year.

Usually the basic monthly salary, though some schemes include certain allowances. Follow your local rule.

It is similar but often mandated by law or contract as a fixed extra month, rather than a discretionary performance bonus.

Enter the monthly basic salary. Enter the months worked in the year. Read off your 13th month pay — the calculator updates automatically, with no button to press.

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